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Biz Stone: Life After Twitter

Twitter co-founder Biz Stone on social media; his latest venture, Jelly; and how to be an 'overnight' success

By

Alexandra Wolfe

Updated March 28, 2014 6:42 p.m. ET

There was a time when Twitter co-founder Biz Stone didn't know if his social media company would ever be worth something sizable. One of the moments that changed his mind came in late 2006, when Twitter predicted an earthquake. He remembers glancing at his phone and seeing a tweet about an earthquake in San Jose. A few seconds later, the ground shook in San Francisco. "The tweet was faster than the ground," Mr. Stone remembers. (The same effect was famously observed on the East Coast when an earthquake hit Virginia in...